Patents by Inventor Akiko Takeuchi

Akiko Takeuchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Benzofurylpyrone derivatives
    Publication number: 20030186976
    Abstract: There is provided benzofuryl-&agr;-pyrone derivative represented by the following structural formula (I): 1
    Type: Application
    Filed: May 12, 2003
    Publication date: October 2, 2003
    Applicant: TEIJIN LIMITED, MICROBIAL CHEMISTRY RESEARCH FOUNDATION
    Inventors: Yoshimitsu Naniwa, Hiroshi Imai, Tomohide Ida, Emiko Muratani, Kazuo Kitai, Yoshinori Sugimoto, Tomomi Kosugi, Akiko Takeuchi, Kunihito Watanabe, Takami Tomiyama, Tomio Takeuchi, Masa Hamada
  • Benzofurylpyrone derivatives
    Patent number: 6589984
    Abstract: There is provided benzofuryl-&agr;-pyrone derivative represented by the following structural formula (I): wherein R1 represents a hydrogen atom or an alkyl group of 1 to 5 carbons; R2 represents hydrogen, —CO—R5 or —SO2R6; R3 represents hydrogen, an alkyl group of 1 to 5 carbons, etc.; and R4 is a substituent attached to the 4-carbon, 5-carbon, 6-carbon or 7 carbon of the benzofuran ring; and their salts. The compounds are useful as therapeutic agent for hypertriglyceridemia, lipid metabolism enhancers, or prophylactic and/or therapeutic agents for arteriosclerosis.
    Type: Grant
    Filed: September 11, 2000
    Date of Patent: July 8, 2003
    Assignees: Teijin Limited, Microbial Chemistry Research Foundation
    Inventors: Yoshimitsu Naniwa, Hiroshi Imai, Tomohide Ida, Emiko Muratani, Kazuo Kitai, Yoshinori Sugimoto, Tomomi Kosugi, Akiko Takeuchi, Kunihito Watanabe, Takami Tomiyama, Tomio Takeuchi, Masa Hamada
  • Elastase inhibitory polypeptide and process for production thereof by recombinant gene technology
    Patent number: 5851983
    Abstract: The present invention provides an elastase inhibitory polypeptide comprising a C-terminal half of a human secretory leukocyte protease inhibitor (SLPI) and having an elastase inhibitory activity wherein inhibitory activity of a trypsin-like serine protease does not exceed 1/10 of elastase inhibitory activity, and polypeptides having the above-mentioned biological activity wherein one or more than one amino acid is added, one or more than one amino acid is deleted and/or one or more than one amino acid is replaced. The present invention also provides a process for the production of the above-mentioned protein or other protein via a corresponding fused protein.
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: December 22, 1998
    Assignee: Teijin Limited
    Inventors: Takashi Sugiyama, Takashi Kamimura, Kenichi Masuda, Masahiro Okada, Eiko Ohtsuka, Atsushi Imaizumi, Kunihito Watanabe, Tetsuya Suga, Yohichi Matsumoto, Akiko Takeuchi
  • Portable wireless telephone
    Patent number: D507556
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: July 19, 2005
    Assignee: NEC Corporation
    Inventors: Jun Watanabe, Hiromu Kitamura, Jin Kuramoto, Akiko Takeuchi, Kazuhiko Yamaoka
  • Portable wireless telephone
    Patent number: D509500
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: September 13, 2005
    Assignee: NEC Corporation
    Inventors: Jun Watanabe, Hiromu Kitamura, Jin Kuramoto, Akiko Takeuchi, Kazuhiko Yamaoka
  • Portable wireless telephone
    Patent number: D518461
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: April 4, 2006
    Assignee: NEC Corporation
    Inventors: Jun Watanabe, Hiromu Kitamura, Akiko Takeuchi